index extensor muscle

index extensor muscle definition - medical

index extensor muscle

noun
A muscle with origin from the dorsal surface of the ulna, with insertion to the dorsal extensor aponeurosis of the index finger, with nerve supply from the radial nerve, and whose action assists in extending the forefinger.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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